import streamlit as st

def main():
    st.title("My Streamlit Application")
    st.write("Welcome to the Streamlit app!")
    
    # Sidebar for user input
    st.sidebar.header("User Input")
    user_input = st.sidebar.text_input("Enter some text:")
    
    if st.sidebar.button("Submit"):
        st.write(f"You entered: {user_input}")
    
    # Display some data or information
    st.header("Data Display")
    st.write("Here you can display your data or any other information.")

if __name__ == "__main__":
    main()